ASP.NET Core Elevation of Privilege Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | ASP.NET Core 10.0 | affected |
|
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| Microsoft | Microsoft Visual Studio 2026 version 18.5 | affected |
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No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Asp.net Core |
|
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-9mv3-2cwr-p262 | Microsoft Security Advisory CVE-2026-40372 – ASP.NET Core Elevation of Privilege |
Ubuntu USN |
USN-8215-1 | .NET vulnerability |
Ubuntu USN |
USN-8216-1 | .NET vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 11.2% (11.205% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft visual Studio 2026
|
|
| CPEs | cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Microsoft visual Studio 2026
|
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network. | |
| Title | ASP.NET Core Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft
Microsoft asp.net Core |
|
| Weaknesses | CWE-347 | |
| CPEs | cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Microsoft
Microsoft asp.net Core |
|
| References |
| |
| Metrics |
cvssV3_1
|